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WildFly clustering

Clustering is available in WildFly out of the box. There is no all-in-one library that deals with clustering, but rather a set of libraries that cover different kinds of aspects.

The following diagram shows the basic clustering architecture adopted by WildFly:

The backbone of JBoss clustering is the JGroups library, which provides communication between members of the cluster using a multicast transmission.

Note

Multicast is a protocol where data is transmitted simultaneously to a group of hosts that have joined the appropriate multicast group. You can think about multicast as a radio or television streaming where only those tuned ...

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